Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server; |
| 18 | |
John Spurlock | 786546e | 2012-08-08 11:40:20 -0400 | [diff] [blame] | 19 | import static android.provider.Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK; |
| 20 | |
Daniel Sandler | 0e9d2af | 2010-01-25 11:33:03 -0500 | [diff] [blame] | 21 | import android.content.ContentResolver; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
Daniel Sandler | ec2c88d | 2010-02-20 01:04:57 -0500 | [diff] [blame] | 24 | import android.media.AudioManager; |
Daniel Sandler | 0e9d2af | 2010-01-25 11:33:03 -0500 | [diff] [blame] | 25 | import android.media.Ringtone; |
| 26 | import android.media.RingtoneManager; |
| 27 | import android.net.Uri; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 28 | import android.os.Handler; |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 29 | import android.os.Looper; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 30 | import android.os.Message; |
John Spurlock | bc632a2 | 2012-07-31 08:28:12 -0400 | [diff] [blame] | 31 | import android.os.RemoteException; |
| 32 | import android.os.ServiceManager; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 33 | import android.os.PowerManager; |
Ken Schultz | f02c074 | 2009-09-10 18:37:37 -0500 | [diff] [blame] | 34 | import android.os.SystemClock; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 35 | import android.os.UEventObserver; |
Dianne Hackborn | 4949334 | 2009-10-02 10:44:41 -0700 | [diff] [blame] | 36 | import android.provider.Settings; |
John Spurlock | bc632a2 | 2012-07-31 08:28:12 -0400 | [diff] [blame] | 37 | import android.service.dreams.IDreamManager; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 38 | import android.util.Log; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 39 | import android.util.Slog; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 40 | |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 41 | import java.io.FileNotFoundException; |
Jaikumar Ganesh | 3fbf7b6 | 2009-12-02 17:28:38 -0800 | [diff] [blame] | 42 | import java.io.FileReader; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 43 | |
| 44 | /** |
| 45 | * <p>DockObserver monitors for a docking station. |
| 46 | */ |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 47 | final class DockObserver extends UEventObserver { |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 48 | private static final String TAG = DockObserver.class.getSimpleName(); |
| 49 | private static final boolean LOG = false; |
| 50 | |
| 51 | private static final String DOCK_UEVENT_MATCH = "DEVPATH=/devices/virtual/switch/dock"; |
| 52 | private static final String DOCK_STATE_PATH = "/sys/class/switch/dock/state"; |
| 53 | |
John Spurlock | 786546e | 2012-08-08 11:40:20 -0400 | [diff] [blame] | 54 | private static final int DEFAULT_DOCK = 1; |
| 55 | |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 56 | private static final int MSG_DOCK_STATE_CHANGED = 0; |
| 57 | |
| 58 | private final Object mLock = new Object(); |
Bernd Holzhey | bfca3a0 | 2010-02-10 17:39:51 +0100 | [diff] [blame] | 59 | |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 60 | private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED; |
Daniel Sandler | 0e9d2af | 2010-01-25 11:33:03 -0500 | [diff] [blame] | 61 | private int mPreviousDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED; |
| 62 | |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 63 | private boolean mSystemReady; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 64 | |
| 65 | private final Context mContext; |
| 66 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 67 | public DockObserver(Context context) { |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 68 | mContext = context; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 69 | init(); // set initial status |
Tobias Haamel | 27b28b3 | 2010-02-09 23:09:17 +0100 | [diff] [blame] | 70 | |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 71 | startObserving(DOCK_UEVENT_MATCH); |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public void onUEvent(UEventObserver.UEvent event) { |
| 76 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 77 | Slog.v(TAG, "Dock UEVENT: " + event.toString()); |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 78 | } |
| 79 | |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 80 | synchronized (mLock) { |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 81 | try { |
| 82 | int newState = Integer.parseInt(event.get("SWITCH_STATE")); |
| 83 | if (newState != mDockState) { |
Daniel Sandler | 0e9d2af | 2010-01-25 11:33:03 -0500 | [diff] [blame] | 84 | mPreviousDockState = mDockState; |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 85 | mDockState = newState; |
| 86 | if (mSystemReady) { |
Mike Lockwood | 1d06992 | 2009-11-11 18:09:25 -0500 | [diff] [blame] | 87 | // Don't force screen on when undocking from the desk dock. |
| 88 | // The change in power state will do this anyway. |
| 89 | // FIXME - we should be configurable. |
Jeff Brown | 1a69318 | 2011-11-08 14:44:16 -0800 | [diff] [blame] | 90 | if ((mPreviousDockState != Intent.EXTRA_DOCK_STATE_DESK |
| 91 | && mPreviousDockState != Intent.EXTRA_DOCK_STATE_LE_DESK |
| 92 | && mPreviousDockState != Intent.EXTRA_DOCK_STATE_HE_DESK) || |
Daniel Sandler | 0e9d2af | 2010-01-25 11:33:03 -0500 | [diff] [blame] | 93 | mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 94 | PowerManager pm = |
| 95 | (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); |
| 96 | pm.wakeUp(SystemClock.uptimeMillis()); |
Mike Lockwood | 1d06992 | 2009-11-11 18:09:25 -0500 | [diff] [blame] | 97 | } |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 98 | updateLocked(); |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 99 | } |
| 100 | } |
| 101 | } catch (NumberFormatException e) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 102 | Slog.e(TAG, "Could not parse switch state from event " + event); |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 103 | } |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 104 | } |
| 105 | } |
| 106 | |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 107 | private void init() { |
| 108 | synchronized (mLock) { |
| 109 | try { |
| 110 | char[] buffer = new char[1024]; |
| 111 | FileReader file = new FileReader(DOCK_STATE_PATH); |
| 112 | try { |
| 113 | int len = file.read(buffer, 0, 1024); |
| 114 | mDockState = Integer.valueOf((new String(buffer, 0, len)).trim()); |
| 115 | mPreviousDockState = mDockState; |
| 116 | } finally { |
| 117 | file.close(); |
| 118 | } |
| 119 | } catch (FileNotFoundException e) { |
| 120 | Slog.w(TAG, "This kernel does not have dock station support"); |
| 121 | } catch (Exception e) { |
| 122 | Slog.e(TAG, "" , e); |
| 123 | } |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 124 | } |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 125 | } |
| 126 | |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 127 | void systemReady() { |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 128 | synchronized (mLock) { |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 129 | // don't bother broadcasting undocked here |
| 130 | if (mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) { |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 131 | updateLocked(); |
Mike Lockwood | d0e82ce | 2009-08-27 16:19:07 -0700 | [diff] [blame] | 132 | } |
| 133 | mSystemReady = true; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 134 | } |
| 135 | } |
| 136 | |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 137 | private void updateLocked() { |
| 138 | mHandler.sendEmptyMessage(MSG_DOCK_STATE_CHANGED); |
| 139 | } |
| 140 | |
| 141 | private void handleDockStateChange() { |
| 142 | synchronized (mLock) { |
| 143 | Slog.i(TAG, "Dock state changed: " + mDockState); |
| 144 | |
| 145 | final ContentResolver cr = mContext.getContentResolver(); |
| 146 | |
| 147 | if (Settings.Secure.getInt(cr, |
| 148 | Settings.Secure.DEVICE_PROVISIONED, 0) == 0) { |
| 149 | Slog.i(TAG, "Device not provisioned, skipping dock broadcast"); |
| 150 | return; |
| 151 | } |
| 152 | |
| 153 | // Pack up the values and broadcast them to everyone |
| 154 | Intent intent = new Intent(Intent.ACTION_DOCK_EVENT); |
| 155 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| 156 | intent.putExtra(Intent.EXTRA_DOCK_STATE, mDockState); |
| 157 | |
| 158 | // Check if this is Bluetooth Dock |
| 159 | // TODO(BT): Get Dock address. |
| 160 | // String address = null; |
| 161 | // if (address != null) { |
| 162 | // intent.putExtra(BluetoothDevice.EXTRA_DEVICE, |
| 163 | // BluetoothAdapter.getDefaultAdapter().getRemoteDevice(address)); |
| 164 | // } |
| 165 | |
| 166 | // User feedback to confirm dock connection. Particularly |
| 167 | // useful for flaky contact pins... |
| 168 | if (Settings.System.getInt(cr, |
| 169 | Settings.System.DOCK_SOUNDS_ENABLED, 1) == 1) { |
| 170 | String whichSound = null; |
| 171 | if (mDockState == Intent.EXTRA_DOCK_STATE_UNDOCKED) { |
| 172 | if ((mPreviousDockState == Intent.EXTRA_DOCK_STATE_DESK) || |
| 173 | (mPreviousDockState == Intent.EXTRA_DOCK_STATE_LE_DESK) || |
| 174 | (mPreviousDockState == Intent.EXTRA_DOCK_STATE_HE_DESK)) { |
| 175 | whichSound = Settings.System.DESK_UNDOCK_SOUND; |
| 176 | } else if (mPreviousDockState == Intent.EXTRA_DOCK_STATE_CAR) { |
| 177 | whichSound = Settings.System.CAR_UNDOCK_SOUND; |
| 178 | } |
| 179 | } else { |
| 180 | if ((mDockState == Intent.EXTRA_DOCK_STATE_DESK) || |
| 181 | (mDockState == Intent.EXTRA_DOCK_STATE_LE_DESK) || |
| 182 | (mDockState == Intent.EXTRA_DOCK_STATE_HE_DESK)) { |
| 183 | whichSound = Settings.System.DESK_DOCK_SOUND; |
| 184 | } else if (mDockState == Intent.EXTRA_DOCK_STATE_CAR) { |
| 185 | whichSound = Settings.System.CAR_DOCK_SOUND; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | if (whichSound != null) { |
| 190 | final String soundPath = Settings.System.getString(cr, whichSound); |
| 191 | if (soundPath != null) { |
| 192 | final Uri soundUri = Uri.parse("file://" + soundPath); |
| 193 | if (soundUri != null) { |
| 194 | final Ringtone sfx = RingtoneManager.getRingtone(mContext, soundUri); |
| 195 | if (sfx != null) { |
| 196 | sfx.setStreamType(AudioManager.STREAM_SYSTEM); |
| 197 | sfx.play(); |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | IDreamManager mgr = IDreamManager.Stub.asInterface(ServiceManager.getService("dreams")); |
| 205 | if (mgr != null) { |
| 206 | // dreams feature enabled |
| 207 | boolean undocked = mDockState == Intent.EXTRA_DOCK_STATE_UNDOCKED; |
| 208 | if (undocked) { |
| 209 | try { |
| 210 | if (mgr.isDreaming()) { |
| 211 | mgr.awaken(); |
| 212 | } |
| 213 | } catch (RemoteException e) { |
| 214 | Slog.w(TAG, "Unable to awaken!", e); |
| 215 | } |
| 216 | } else { |
| 217 | if (isScreenSaverActivatedOnDock(mContext)) { |
| 218 | try { |
| 219 | mgr.dream(); |
| 220 | } catch (RemoteException e) { |
| 221 | Slog.w(TAG, "Unable to dream!", e); |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | } else { |
| 226 | // dreams feature not enabled, send legacy intent |
| 227 | mContext.sendStickyBroadcast(intent); |
| 228 | } |
| 229 | } |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 230 | } |
| 231 | |
John Spurlock | 786546e | 2012-08-08 11:40:20 -0400 | [diff] [blame] | 232 | private static boolean isScreenSaverActivatedOnDock(Context context) { |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 233 | return Settings.Secure.getInt(context.getContentResolver(), |
| 234 | SCREENSAVER_ACTIVATE_ON_DOCK, DEFAULT_DOCK) != 0; |
John Spurlock | 786546e | 2012-08-08 11:40:20 -0400 | [diff] [blame] | 235 | } |
| 236 | |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 237 | private final Handler mHandler = new Handler(Looper.myLooper(), null, true) { |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 238 | @Override |
| 239 | public void handleMessage(Message msg) { |
Bernd Holzhey | bfca3a0 | 2010-02-10 17:39:51 +0100 | [diff] [blame] | 240 | switch (msg.what) { |
Jeff Brown | 008b176 | 2012-08-20 20:15:34 -0700 | [diff] [blame^] | 241 | case MSG_DOCK_STATE_CHANGED: |
| 242 | handleDockStateChange(); |
Bernd Holzhey | bfca3a0 | 2010-02-10 17:39:51 +0100 | [diff] [blame] | 243 | break; |
| 244 | } |
| 245 | } |
Tobias Haamel | 27b28b3 | 2010-02-09 23:09:17 +0100 | [diff] [blame] | 246 | }; |
Dan Murphy | c9f4eaf | 2009-08-12 15:15:43 -0500 | [diff] [blame] | 247 | } |